Finding the Third Proportional to 805,108 and 1,645,172

Step by Step Solution

1. Step 1: Write the proportion equation
   805,108 : 1,645,172 = 1,645,172 : x
2. Step 2: Convert to fraction form
   805,108/1,645,172 = 1,645,172/x
3. Step 3: Cross multiply
   805,108x = 1,645,172 × 1,645,172
4. Step 4: Simplify right side
   805,108x = 2,706,590,909,584
5. Step 5: Solve for x
   x = 2,706,590,909,584/805,108
6. Step 6: Final answer
   x = 3,361,773.71